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Dayton Audio PT2C-8 Planar Tweeter
Which speaker lug is the positive, the large one or small one?
The Dayton Audio PT2C-8 Planar Tweeter is a non polar ribbon type tweeter and as such has a characteristic that doesn't require phasing or polarity considerations. Unlike a cone speaker that pushes out sound in a forward movement, this speaker yields sound in both forward and reverse directions. It's movement is more of a twerping rather than a movement. Either terminal connection should be OK. If you like, try both to see if you discern a difference in sound output.God Luck
Date published: 2013-02-16
can this be used for car audio?
I have a pair of these installed in my 08 Mazda MX-5 kick panels. A pair of Aura NS-6 are installed in the factory door locations. If these were retailed as a Car Audio set the price would be astronomical. I am very pleased with the Performance.
Date published: 2013-05-27
If a 4th-order crossover (24 dB/oct) is used, can the crossover point be dropped to 2kHz?
If it can be used with that crossover frequency, does the power rating get reduced?
2kHz would be pushing the boundaries a bit, even at 24dB/octave. I'd hate to tell you to try it, and then have something bad happen to your planar tweeter. I'd be more comfortable trying it at 2.5kHz personally. Others may have different advice. And yes, power handling typically increases and decreases proportional to the crossover point, at least to some extent.
Date published: 2011-10-29
What bypass capacitor should be used in series to allow only 3.5k hz and up to enter this Planar? .
These tweeters are "independent", with their own full-range source from the "A" speaker" amplifier output rated at 70w per stereo channel, per side; therefore, 280 total watts. The "B" speaker amplifier output is connected to a pair of 295-605 mid-woofers in another cabinet. Both "A" and "B" carry 8-16 ohm ratings.
If you want to cross this tweeter at 3.5kHz I would recommend at least a second order filter. If you use only a cap it will have to be crossed around 7kHz in order to be properly protected. I would recommend a 4 uF cap and 0.5 mH inductor for a crossover point of 3.5kHz.
Date published: 2013-09-10
The sticker on the back of this driver says 80W max. The specs claim 80W rms, 115W max. Which is correct?
The silver sticker that was on the older versions of this tweeter were in error. With a 2nd order crossover at 3000Hz or higher, the power handling is 80w RMS, 115w max on this tweeter. I apologize for any confusion.
Date published: 2013-04-02
Compatible mid range
With a spl of 94db would the Dayton RS52AN-8 dome mid range at a possible spl of 91db be compatible?
If you are insistent on using a midrange, the Dayton would work. You might need an L-pad on the ribbon transducer to match levels. However, this ribbon has good enough upper midrange response that if you use a woofer with good lower midrange, you will not need a dedicated mid.Most of the small (under 6") woofers do have good response to 2500 Hz or so.In practice it seems much easier to get excellent results using a simpler 2 way midwoofer/tweeter design supplemented with a powered subwoofer. This seems to be the way the engineering is headed these days. Both the Dayton ribbon mid/tweeter cited here and the BG planars represent, IMHO, a major step forward in speaker system design. These offer quality similar to electrostatics without all the nasty side phenomena known to those of us dinosaurs who lived through the electrostatic planar speaker era.
Date published: 2012-06-22